[m-dev.] ODBC interface

[Fergus Henderson]

Simon Taylor, you wrote:

> +#ifdef MR_USE_TRAIL
> +#define MR_IF_USE_TRAIL(x) x
> +#else /* ! MR_USE_TRAIL */
> +#define MR_IF_USE_TRAIL(x)
> +#endif /* ! MR_USE_TRAIL */

I'm not sure that the comments improve readability here. 
They are just clutter that make it harder to find the real code.
I find the following a lot easier to read:

	#ifdef MR_USE_TRAIL
	  #define MR_IF_USE_TRAIL(x) x
	#else
	  #define MR_IF_USE_TRAIL(x)
	#endif

But otherwise that looks good, please commit away!

Thanks.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>   |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>   |  of excellence is a lethal habit"
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